Home / 113,631.16-156,816.34-63,330.52

Finding the Fourth Proportional to 113,631.16, 156,816.34 and 63,330.52

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Solution

The fourth proportional to 113,631.16, 156,816.34 and 63,330.52 is: 87,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,631.16 : 156,816.34 = 63,330.52 : x
  2. Step 2: Convert to fraction form
    113,631.16/156,816.34 = 63,330.52/x
  3. Step 3: Cross multiply
    113,631.16x = 156,816.34 × 63,330.52
  4. Step 4: Simplify right side
    113,631.16x = 9,931,260,356.70
  5. Step 5: Solve for x
    x = 9,931,260,356.70/113,631.16
  6. Step 6: Final answer
    x = 87,399.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.